Received: from mx0.gmx.net (mx0.gmx.net [213.165.64.100]) by h1439878.stratoserver.net (8.14.2/8.14.2/Debian-2build1) with SMTP id o8GB40O7023793 for ; Thu, 16 Sep 2010 13:04:01 +0200 Received: (qmail 18286 invoked by alias); 16 Sep 2010 11:03:55 -0000 Delivered-To: GMX delivery to rainer.schoepf@gmx.net Received: (qmail invoked by alias); 16 Sep 2010 11:03:55 -0000 Received: from relay.uni-heidelberg.de (EHLO relay.uni-heidelberg.de) [129.206.100.212] by mx0.gmx.net (mx058) with SMTP; 16 Sep 2010 13:03:55 +0200 Received: from listserv.uni-heidelberg.de (listserv.uni-heidelberg.de [129.206.100.94]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id o8GB1e6Z027820 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 16 Sep 2010 13:01:41 +0200 Received: from listserv.uni-heidelberg.de (localhost.localdomain [127.0.0.1]) by listserv.uni-heidelberg.de (8.13.1/8.13.1) with ESMTP id o8GAQXKV028362; Thu, 16 Sep 2010 13:02:07 +0200 Received: by LISTSERV.UNI-HEIDELBERG.DE (LISTSERV-TCP/IP release 16.0) with spool id 452047 for LATEX-L@LISTSERV.UNI-HEIDELBERG.DE; Thu, 16 Sep 2010 13:02:07 +0200 Received: from relay.uni-heidelberg.de (relay.uni-heidelberg.de [129.206.100.212]) by listserv.uni-heidelberg.de (8.13.1/8.13.1) with ESMTP id o8GB27UW019805 for ; Thu, 16 Sep 2010 13:02:07 +0200 Received: from oberon.open.ac.uk (oberon.open.ac.uk [137.108.141.46]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id o8GB1BZp027047 for ; Thu, 16 Sep 2010 13:01:15 +0200 X-IronPort-AV: E=Sophos;i="4.56,376,1280703600"; d="scan'208";a="51829444" X-Disclaimed: 1 Importance: Normal X-Priority: 3 (Normal) References: <19109.1284579373@cl.cam.ac.uk> <4C9122A1.4060008@morningstar2.co.uk> <4C91239B.2040301@morningstar2.co.uk> <4C912F95.70503@morningstar2.co.uk> <19601.55875.121644.485219@morse.mittelbach-online.de> <19601.61974.825954.761568@morse.mittelbach-online.de>, MIME-Version: 1.0 X-Mailer: Lotus Domino Web Server Release 8.5.2 HF16 August 30, 2010 X-MIMETrack: Serialize by HTTP Server on mcs-notes1/mcs/UK(Release 8.5.2 HF16|August 30, 2010) at 16/09/2010 11:57:32, Serialize complete at 16/09/2010 11:57:32, Itemize by HTTP Server on mcs-notes1/mcs/UK(Release 8.5.2 HF16|August 30, 2010) at 16/09/2010 11:57:32, Serialize by Router on mcs-notes1/mcs/UK(Release 8.5.2 HF16|August 30, 2010) at 16/09/2010 11:57:32 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by listserv.uni-heidelberg.de id o8GB27UW019806 Message-ID: Date: Thu, 16 Sep 2010 11:57:32 +0100 Reply-To: Mailing list for the LaTeX3 project Sender: Mailing list for the LaTeX3 project From: Chris Rowley Subject: Re: e-TeX low-level expertise needed Re: Allocation of registers To: LATEX-L@listserv.uni-heidelberg.de In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: List-Archive: X-GMX-Antispam: 0 (Mail was not recognized as spam); Detail=5D7Q89H36p4WX0t+AtsdW2ORvUlAfcdS0skAdU0CyDpncVxtUMPpOqI3gH81aZIXD1cH3 5ETx5RtA06hG3EktnRGhfE2oxt+RU0e7F8YpJ9eB28exjgx7xl4PJV7d6l42PTMYFOttFGsL2SlK x2C0A==V1; X-Resent-By: Forwarder X-Resent-For: rainer.schoepf@gmx.net X-Resent-To: rainer@rainer-schoepf.de Status: R X-Status: X-Keywords: X-UID: 6390 Aha, Morten The Scientist!! Thanks for the data. -----Morten Høgholm wrote: ----- To: LATEX-L@LISTSERV.UNI-HEIDELBERG.DE From: Morten Høgholm Date: 16/09/2010 11:39 Subject: Re: e-TeX low-level expertise needed Re: Allocation of registers On Thu, Sep 16, 2010 at 12:31 PM, Frank Mittelbach wrote: > Chris Rowley writes: > >  > A vaguer question: Is the level of the relatively efficiency of the types >  > of register of any practical consequence in the 21st century? > > I was wondering about that too, guess the only way to find out is to make some > experiments I carried out some experiments with this a few years ago and found the count registers from the extended pool to be only slightly slower (5% or so) than the ones from the normal pool. -- Morten --------------------------------------------------------------------------- The Open University is incorporated by Royal Charter (RC 000391), an exempt charity in England & Wales and a charity registered in Scotland (SC 038302)